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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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This year is the first winter that I live with this new listening room. Last winter the playback was up and I still was playing with minor arrangements of my ULF channels, cable and a few other things. For many months I do pretty much nothing with my...
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Robin, I'm not at all certain that my new speakers are "source tolerant", because I have "taken steps" all along to "ensure" part-to-part compatibility. I have tried to "sync" my phono and CD/DAC as much as possible, and the main thing I wanted from ...
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I would like to pass some summarizing observations and some generalizations regarding the entire “Water Drop” project.
THE IDEA
The idea of trying to find a tweeter to compliment Macondo was a good idea. Many of you know that I was proudly declari...
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[quote user="Romy the Cat"]
Dima for instance (and he has quite high expertise in the subject) claims that there no true 24bit converters available anyhow. BTW, with all advances of HDCD, that I fully appreciate, it makes send only on 16 bit. At 20...
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An Audio Amplifier Design Philosophy
By David Berning ( Courtesy Meta-Gizmo.com )
I became interested in audio at a very young age because I liked music, but was too uncoordinated to be able to p...
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There is nothing in playback system that is as devastating as remote control. A remote control is something that easily converts a listener into a zombie audio-Moron™ – thanks God the there is very fertile contingent of candidates among audiophi...
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Thanks, Greg
[quote user="Greg B"] Cap and L-pad resistor quality is critical even in the cheaper models. [/quote]
I do not use any L-pad resistors with tweeters. If you need to reduce the tweeter output I drop the caps and move the tweeter up at t...
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[quote user="Jim Smith"]I've been following this line (mostly the big one) with great interest since it was first mentioned.It's definitely the most interesting high-efficiency horn line available, as far as I can see. I've been asked to look a...
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[quote user="haralanov"] The horns, even the fast opening ones are physically too deep for their mouth’s size, and this leads to a psychoacoustic illusion that the sound images are arrested at the bottom of the horn and from there they scream they wa...
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Hello,
I've never had an SET amplifier in my system. Having high efficiency horns (106 db on average down to 100Hz ) I have tried a number of solid state and tube amplifiers, and I am aware of their sound in my system. ...
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I have no idea what it is but it is something… Take a look:
http://cybwiz.blogspot.com/2011/09/aries-cerat-contendo-reference.html
It is 3 way horn loaded with external LF section, so far so good. Atop then have RAAL ribbon that ...
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Ok, I think I've finally vivisected my ham--it's connected to the rectifier switching (at least some part is).Below is the waveform of the loaded HT secondary (red trace) and the signal from a search coil catching the leakage flux close to the transf...
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For the person who very easy toss comments like “utter nonsense”, BS and “does not make sense” you are very uninformed. If you stop position yourself as an ignorant teenager who “knows everything” then you have chance to learn something. The Car Talk...
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Chris, I have no experience with good sounding SS amplifier that might drive high sensitive horns. I also have no expertise to build such an amp. From what I trued before I have learned that in order to sound more or less acceptable the SS should run...
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[quote user="Paul S"]OK, Romy, that EnABL stuff got my attention!I can't recall all of the bad ideas borne of good research, but this EnABL thing sounds a little fishy, and certainly it sounds too good to be true, as existing in a simple and really u...
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[quote user="cv"]Ok, I managed to get my measurement setup running. Behringer ECM8000/PC soundcard kind of thing.I measured the following tweeters:Focal TLRTAD PT-R9Aurum Cantus G1Fane 5022I don't have an absolute level calibrator and I need to take ...
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[quote user="Romy the Cat"]I stepped away from the idea of horn tweeters. A horn is equalization devise that boost lower knee. If people need to spread a tweeter in MF then it is OK but in my case my tweeter sits at 12.5K and I do not need any gain a...
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[quote user="skushino"] Rather than an intelligent discussion about the myth of High efficiency and Low power systems, most of your reply focused on the short-comings of my current amp. [/quote]
Actually I do not think that you are...
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[quote user="jessie.dazzle"] Have you tried taking a measurement with the line arrays moved to the rear of the room? (ideally, he same as the current distance from the listening point, but behind you). [/quote]As I said I moved them everywhere.[q...
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Morricab,
Of curse you are very much correct but I always thought that what you said is understandable by default.
When I am talking about the ability of playbacks to care the “absolute tone” I indisputably meat sound reproduction of the “best” in...
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[quote user="stuck.wilson"] having seen the benefits of first orders in my own application tonally AND dynamically[/quote]
It's never was my experience. A never seen any tonal distinction between first and second order and I don't think that I exper...
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ACTIVE CROSSOVERS
1) Loudspeaker drive units of different sensitivities may be used in one system without the need for lossy resistive networks ( and L-Pads ) or transformers
( DEQX lets me use 98 ...
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Hi Gera"Has anyone done this and what were the observations of comparing different topologies."I have done just what you propose, I tried the JBL2490 compresion driver with a 3" mouth in a 110 hz horn well made, MDF round tactrix horn, it goes ...
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It is highly unlikely that I will go for this project
For sure I do not care about the conservation efforts and I do not care about recuperation electricity back to grid in order to earn credit. I do not think the wind power is useful for me. ...
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[quote user="Romy the Cat"]I thought that the folks who are interesting where I am going with my Macondo should know that am still working with Vitavox S2[/quote]OK, I think now I’ve learned whatever I need to learn about this driver. In order to und...
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The principal problem with today’s speakers is low sensitivity. I cannot consider any speaker remotely serious unless it has a 1W/1M sensitivity of at least 98dB. There are so many problems created by low sensitivity speakers it could fill ...
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OK, I agree – it might be not necessary as PP2000 does produce fine electricity in a convenient package. Furthermore it violates the rule that I try to follow in audio generally: define snick objective and ONLY then render audio methods.
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[quote user="ulf"]One advantage of the use of a phase plug in a midbass horn is that it will beam less at higher frequenzies than a horn without phase plug. If the phase plug is designed for the specific horn and driver it will help "steer" the HF.
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Hi Romy,
been reading you for some years now and 99% of the cases agree with your judgments (and sarcastic criticism).
Some data on ANIMA.
The bass is an exp horn tunned to 50Hz using the floor as a virtual expansion of the...
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[quote user="Romy the Cat"] OK, I agree – it might be not necessary as PP2000 does produce fine electricity in a convenient package. Furthermore it violates the rule that I try to follow in audio generally: define snick objective and ONLY then re...
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